Construct a Normal Probability Plot of the Given Data $\begin{array}{llll}500 & 750 & 630 & 480\end{array}$

Essay

Construct a normal probability plot of the given data.
-The weekly incomes (in dollars)of a sample of 12 nurses working at a Los Angeles hospital are given below.
$\begin{array}{llll}500 & 750 & 630 & 480\end{array}$ $\begin{array}{llll}550 & 650 & 720 & 780\end{array}$ $820 \quad 960 \quad 1200 \quad 770$